DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerP1564 ASCD steering switch
Description
ASCD steering switch has variant values of electrical resistance for each
button. ECM reads voltage variation
of switch, and determines which button is operated.
Refer to EC-68, "System Diagram" for the ASCD function.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P156 ...
Washer level switch
Removal and Installation
REMOVAL
Position the RH front fender protector back. Refer to EXT-24,
"Removal and Installation".
Remove the engine under cover.
Remove the RH front fender protector side cover. Refer to EXT-24,
"Removal and Installation".
Disconnect the front washer level ...
Main line between dlc and hvac circuit
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative
terminal.
Disconnect the following harness connectors.
ECM
A/C auto amp.
Check the continuity betw ...